Arsenal returned to the top of the Premier League with a 2-1 home win over Brighton & Hove Albion.
Martin Ødegaard opened the scoring with a precise finish after sustained Arsenal pressure.
Arsenal dominated the first half and limited Brighton to no shots before the break.
The lead doubled early in the second half when Georginio Rutter turned the ball into his own net from a corner.
Brighton unexpectedly responded through Diego Gómez, raising tension at the Emirates Stadium.
Goalkeeper David Raya then produced a brilliant save to deny Yankuba Minteh.
Despite late pressure, Arsenal held firm to secure another narrow victory.
Manager Mikel Arteta said his side must learn to finish games more comfortably.
